Frozen Synapse 1.1 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus. The most popular versions among the program users are 1.1 and 1.0. This Mac application was originally designed by Mode7. This application's bundle is identified as com.mode7.frozensynapse.
From the developer:
Frozen Synapse is a thrilling PC, Mac and Linux strategy game. It brings the simultaneous turn-based strategy genre bang up-to-date and lets you give detailed, accurate orders to your squad. Classic gameplay with a modern interface!
You may want to check out more software for Mac, such as Frozen Free Fall, Christmas Patchwork. Frozen Free or Secret Trails The Frozen Heart CE, which might be similar to Frozen Synapse.